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Daniel Martelli


Last seen: 3 years ago |  Active since 2020

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

3 years ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 years ago

Solved


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

3 years ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

3 years ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

3 years ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

3 years ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

3 years ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

3 years ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Question


Why cant i get the links connected, I changed alot of the code from last time, but the links just move away from each other
This code only relates to 1. Position Analysis clc; close all; clear; format compact; % length of links r1 = 100; r2 = 50;...

3 years ago | 1 answer | 0

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Question


Can you help and show if any where ive gone wrong with any codes
This code is only for Position Analysis clc; close all; clear; format compact; % length of links r1 = 100; r2 = 50; r3 = ...

3 years ago | 1 answer | 0

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Question


I am unsure on how to start a simulated linkage question

3 years ago | 0 answers | 0

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Question


My table does not appear properly in my code
% Problem 1 % part (a) Re = 6356.766; % km earth radius Rs = 0.287053; % kJ/K/kg 287.053 J/K/kg B...

4 years ago | 0 answers | 0

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Question


Can someone please check my code, not quite sure where im going wrong
clc clear %--------------------------------------------------------------------------------------------------------% p = 1.2;...

4 years ago | 0 answers | 0

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Question


I have no idea how to start this question
I have attached the question, but its in 5 different PNG files, starting from 1 through to 5

4 years ago | 1 answer | 0

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Question


sprintf is it safe to use?
Is it safe to use the code sprintf? because i was reading something and it said that sprintf is not safe to use

4 years ago | 1 answer | 0

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Question


I dont know where im going wrong with the code
adj = 20; % ft opp = 200; % ft % pythagorus formula a^2+b^2=c^2 c^2 = adj^2+opp^2; c^2 = sqrt(ans)

4 years ago | 1 answer | 0

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Question


Index exceeds the number of array elements (20).
A = 4; % centimeters w = 0.6; % (rad/sec), angular frequency t = 0:10; % time x = A*cos(w*t) % time displacement plot (t',x'...

4 years ago | 0 answers | 0

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